False captive portal detect?

[Nikos Mavrogiannopoulos]

Kevin Cernekee <cernekee at gmail.com> wrote:
>On Wed, Feb 5, 2014 at 8:40 PM, Steve <steve at thupdi.net> wrote:
>> After several successful connected to ocserv, AnyConnect 3.1 on Mac
>> always complaints:
>>
>> The service provider in your current location is restricting access
>to
>> the Internet. You need to log on with the service provider before you
>> can establish a VPN session. You can try this by visiting any website
>> with your browser.
>>
>> Any fix or workaround for this issue?
>
>Hmm, that's really odd.  I tried to reproduce your issue and I saw it
>several times.  It even persisted when I tried to connect to an ASA on
>my LAN.  Quitting and restarting the application didn't help (but this
>might not restart vpnagentd).

Interesting. Could that be related to cookie expiration or tls session resumption (and connecting to another host clears up some cache)?

Regards, 
Nikos